The cylinders are graded from very soft to loud and each cylinder has either a red or a blue top and is contained in a wooden box with a matching red or blue lid.
On blue box and one red box
Each box contains a set of six cylinders that make a distinctive sound when shaken
Purpose is to refine auditory sense
Famous montessori material
Description
Montessori Material Sound Boxes for Early Childhood Education Preschool Training Learning Toys 2 Boxes with 12 Wooden Cylinders